St. Louis’ LouFest has been going strong since 2010, and this year’s lineup has just been announced. OutKast will headline (as can be expected at this point) along with Arctic Monkeys and Cake. Some other noteworthy additions include Future Islands, Washed Out, and recent Band To Watch Young & Sick. It all goes down at Forest Park in St. Louis the weekend of 09/06-09/07 and you can snag tickets here.